Most of the people in a choir at Ryerson University in Toronto have joined a study testing how practicing music might help people with hearing loss handle noisy environments better.
Andrea Hsu/NPR
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Eating Chocolate, A Little Each Week, May Lower The Risk Of A Heart Flutter

Researchers had participants wear the fitness trackers while walking or running on a treadmill and while riding an exercise bike to determine how well the trackers measured heart rate and energy expenditure.
Paul Sakuma/Courtesy of Stanford University School of Medicine
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